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My pump quit pumping, and now it just makes a humming noise. What happened?

April 26, 2017happened humming noise pump pumping quit

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My pump quit pumping, and now it just makes a humming noise. What happened?

1 Answer

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A common cause is a jammed or broken impeller, or the bearings may have seized. If the motor shaft can be rotated by hand, then the problem may be a dirty pump switch, defective starter capacitor, burnt motor windings or other electrical problem with the motor.